Home / 25,670,891.78-38,496,195.95-8,157,150.35

Finding the Fourth Proportional to 25,670,891.78, 38,496,195.95 and 8,157,150.35

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Solution

The fourth proportional to 25,670,891.78, 38,496,195.95 and 8,157,150.35 is: 12,232,502.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,670,891.78 : 38,496,195.95 = 8,157,150.35 : x
  2. Step 2: Convert to fraction form
    25,670,891.78/38,496,195.95 = 8,157,150.35/x
  3. Step 3: Cross multiply
    25,670,891.78x = 38,496,195.95 × 8,157,150.35
  4. Step 4: Simplify right side
    25,670,891.78x = 314,019,258,033,944.31
  5. Step 5: Solve for x
    x = 314,019,258,033,944.31/25,670,891.78
  6. Step 6: Final answer
    x = 12,232,502.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.